Regressions on trunk at revision 231314 vs revision 231262

[H.J. Lu Intel64 Core i7]

New failures:
FAIL: gcc.dg/graphite/id-pr45230-1.c (internal compiler error)
FAIL: gcc.dg/graphite/id-pr45230-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512vl-vmovapd-1.c scan-assembler-times vmovapd[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovapd-1.c scan-assembler-times vmovapd[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovapd-1.c scan-assembler-times vmovapd[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovapd-1.c scan-assembler-times vmovapd[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovaps-1.c scan-assembler-times vmovaps[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovaps-1.c scan-assembler-times vmovaps[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovaps-1.c scan-assembler-times vmovaps[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512vl-vmovaps-1.c scan-assembler-times vmovaps[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\){%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/pr68349.c (test for excess errors)
FAIL: g++.dg/cpp0x/constexpr-reinterpret1.C  -std=c++11  (test for errors, line 21)
FAIL: g++.dg/cpp0x/constexpr-reinterpret1.C  -std=c++11 (test for excess errors)
FAIL: g++.dg/cpp0x/constexpr-reinterpret1.C  -std=c++14  (test for errors, line 21)
FAIL: g++.dg/cpp0x/constexpr-reinterpret1.C  -std=c++14 (test for excess errors)

New passes:
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98 (test for excess errors)